:root{--ac:#5b3df5;--ac2:#06b6d4;--fg:#101828;--mut:#5b6475;--bd:#e4e7ee;--soft:#f5f6fb}
*{box-sizing:border-box}body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--fg);background:#fff}
a{color:var(--ac)}.w{max-width:1040px;margin:auto;padding:0 18px}
header{position:sticky;top:0;background:#fffffff0;border-bottom:1px solid var(--bd);z-index:5}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;font-size:1.5rem;letter-spacing:-.5px}
.gt{background:linear-gradient(90deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav a.l{color:var(--mut);text-decoration:none;margin-left:16px;font-size:.95rem}
.hero{text-align:center;padding:38px 0 18px;background:radial-gradient(900px 300px at 50% -60px,#e6e0ff,transparent)}
h1{font-size:clamp(1.9rem,5.5vw,3rem);line-height:1.15;margin:0 0 10px;letter-spacing:-1px}
h2{font-size:1.6rem;margin:0 0 14px;letter-spacing:-.5px}h3{margin:0 0 4px;font-size:1.05rem}
.sub{color:var(--mut);max-width:620px;margin:0 auto 22px}
.badge{display:inline-block;background:#ece8ff;color:var(--ac);font-weight:600;font-size:.85rem;padding:4px 12px;border-radius:99px;margin-bottom:12px}
.app{display:grid;gap:18px;grid-template-columns:1fr}@media(min-width:820px){.app{grid-template-columns:1.25fr .75fr}.g3{grid-template-columns:repeat(3,1fr)!important}}
.card{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:18px;box-shadow:0 8px 30px #1018280d}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs button,.btn,.chip{border:1px solid var(--bd);background:#fff;color:var(--fg);border-radius:10px;padding:8px 13px;font:inherit;font-size:.95rem;cursor:pointer}
.tabs button.on,.btn.p{background:linear-gradient(135deg,var(--ac),#7c5cff);color:#fff;border-color:transparent}
.btn.p{font-weight:600;padding:11px 20px}
label{display:block;margin:12px 0 4px;font-size:.88rem;color:var(--mut)}
input[type=text],textarea,select{width:100%;padding:11px;border:1px solid var(--bd);border-radius:10px;font:inherit;background:#fff;color:var(--fg)}
input:focus,textarea:focus,select:focus{outline:2px solid #c9bfff}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}.row label{margin:0}
.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{font-weight:600;font-size:.85rem;padding:7px 12px}.chip.on{outline:3px solid var(--ac)}
.pv{text-align:center}
code{word-break:break-all;background:var(--soft);padding:2px 6px;border-radius:6px}.err{color:#d92d20}p{margin:6px 0}
section{padding:34px 0}.grid{display:grid;gap:14px;grid-template-columns:1fr}.alt{background:var(--soft)}
.step b{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--ac);color:#fff;margin-bottom:6px}
details{border:1px solid var(--bd);border-radius:12px;padding:12px 16px;margin:10px 0;background:#fff}summary{cursor:pointer;font-weight:600}
footer{background:#0f1020;color:#c9cbe0;padding:34px 0 22px;margin-top:20px}footer a{color:#c9cbe0;text-decoration:none;display:block;margin:6px 0}
.fg{display:grid;gap:18px;grid-template-columns:1fr 1fr}@media(min-width:700px){.fg{grid-template-columns:1.6fr 1fr 1fr 1fr}}
footer h4{color:#fff;margin:0 0 6px}.cp{border-top:1px solid #2a2c44;margin-top:22px;padding-top:14px;font-size:.85rem}
.doc{max-width:760px;margin:auto;padding:30px 18px}
/* v3 brand + modern controls */
:root{--ac:#1d6bff;--ac2:#22d3ee}
header{background:#060d24f2;border-bottom:1px solid #16224a}
.nav a.l{color:#c7d2f0}.nav a.l:hover{color:#fff}
.logo{gap:10px}.logo img{display:block;border-radius:50%}
.wm{font-weight:900;font-size:1.65rem;letter-spacing:-.5px;color:#fff;line-height:1}
.wm i{font-style:normal;background:linear-gradient(180deg,#fff,#a9c9ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.wm b{color:#22d3ee;font-weight:900}
.hero{background:radial-gradient(900px 300px at 50% -60px,#d6e6ff,transparent)}
.hero h1 .gt{font-weight:900}
.badge{background:#e0ecff}
.tabs button.on,.btn.p{background:linear-gradient(135deg,#1d6bff,#00a3ff)}
input:focus,textarea:focus,select:focus{outline:2px solid #9cc3ff}
footer{background:#060d24}.fg a.logo{margin-bottom:6px}
input[type=color]{-webkit-appearance:none;appearance:none;width:42px;height:42px;border:2px solid #fff;box-shadow:0 0 0 1px var(--bd);border-radius:50%;padding:0;background:none;cursor:pointer;overflow:hidden}
input[type=color]::-webkit-color-swatch-wrapper{padding:0}
input[type=color]::-webkit-color-swatch{border:0;border-radius:50%}
input[type=color]::-moz-color-swatch{border:0;border-radius:50%}
.cpk{display:flex;align-items:center;gap:10px;background:var(--soft);border:1px solid var(--bd);border-radius:14px;padding:8px 14px 8px 8px}
.cpk small{display:block;color:var(--mut);line-height:1.2}.cpk code{background:none;padding:0;font-weight:600}

.ph{width:230px;height:230px;max-width:100%;margin:auto;border:2px dashed #c3cde3;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#9aa7c0;background:var(--soft);font-size:.9rem;padding:12px}
.dl{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font:inherit;font-weight:700;color:#fff;cursor:pointer}
.dl:hover{filter:brightness(1.08)}
.dl.png{background:linear-gradient(135deg,#1d6bff,#00a3ff);box-shadow:0 6px 16px #1d6bff40}
.dl.svg{background:linear-gradient(135deg,#0d9488,#22d3ee);box-shadow:0 6px 16px #0d948840}
#dls{display:none;justify-content:center;margin-top:14px}

/* v4 header, tracking card, stats */
.nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:70px}
.nav .logo{justify-self:start}.wmc{justify-self:center;text-decoration:none}
.wm{font-size:1.95rem}footer .wm{font-size:1.6rem}
.rt{justify-self:end}
.menu-b{background:none;border:1px solid #2a3a6b;color:#fff;border-radius:10px;width:42px;height:42px;font-size:1.3rem;cursor:pointer}
@media(min-width:760px){.rt nav{display:flex}.menu-b{display:none}}
.fe{display:block;color:#d92d20;font-size:.82rem;margin-top:4px;min-height:0}
.tid{background:var(--soft);border:1px solid var(--bd);border-radius:14px;padding:12px;margin-top:14px}
.tid small{display:block;color:var(--mut)}.tcode{display:block;font-size:1rem;font-weight:700;margin:6px 0 10px;background:#fff;border:1px dashed #b9c7e6;padding:8px;border-radius:10px;user-select:all}
.tidrow{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.cpb{display:inline-flex;align-items:center;gap:7px;background:#eaf2ff;color:var(--ac);border:1.5px solid var(--ac);border-radius:10px;padding:8px 14px;font:inherit;font-weight:700;cursor:pointer}
.cpb:hover{background:var(--ac);color:#fff}
.toast{opacity:0;transform:translateX(-8px);transition:.25s;background:#e7f8ef;color:#0f7a43;font-weight:600;font-size:.88rem;padding:6px 12px;border-radius:99px}
.toast.show{opacity:1;transform:none}.toast:before{content:"\2713  "}
.ld{text-align:center;padding:22px 0;color:var(--mut)}
.spin{width:36px;height:36px;border:4px solid #dbe5ff;border-top-color:var(--ac);border-radius:50%;animation:sp .8s linear infinite;margin:0 auto 10px}@keyframes sp{to{transform:rotate(360deg)}}
.sg{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.sc{background:linear-gradient(135deg,#eef4ff,#f3fbff);border:1px solid #d6e4ff;border-radius:14px;padding:14px}
.sc small{color:var(--mut)}.sc b{display:block;font-size:2.2rem;line-height:1.15;color:var(--ac)}
.meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:12px 0 4px}
.pill{background:#e0ecff;color:var(--ac);padding:3px 11px;border-radius:99px;font-weight:700;font-size:.8rem}
.mut{color:var(--mut)}.dst{word-break:break-all;font-size:.9rem}
.sec{margin-top:16px}.sec h3{margin-bottom:8px}
.li2{margin:8px 0}.lt{display:flex;justify-content:space-between;margin-bottom:4px}
.bar{height:8px;border-radius:99px;background:#e3e9f5;overflow:hidden}.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#1d6bff,#22d3ee)}
.li{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:9px 0;border-bottom:1px solid var(--bd);font-size:.92rem}

/* v5 footer always at the bottom */
body{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}
footer{margin-top:auto}
.doc{width:100%;margin:0 auto}
.ph .spin{margin:0 auto}

/* v6 menu, footer, animation */
.menu-b{display:inline-grid;place-content:center;gap:5px;padding:0}
.menu-b span{display:block;width:20px;height:2.5px;background:#fff;border-radius:2px;transition:transform .3s,opacity .2s}
header.open .menu-b span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
header.open .menu-b span:nth-child(2){opacity:0}
header.open .menu-b span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

@media(max-width:759px){
.rt nav{display:flex;flex-direction:column;position:absolute;top:70px;left:0;right:0;background:#060d24;padding:6px 18px 14px;border-bottom:1px solid #16224a;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .25s,transform .25s,visibility .25s}
header.open nav{opacity:1;visibility:visible;transform:none}
.nav a.l{margin:0;padding:12px 0;display:block}}
.nav a.l{position:relative}.nav a.l:after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:#22d3ee;transition:width .25s}.nav a.l:hover:after{width:100%}
.logo img{transition:transform .4s}.logo:hover img{transform:rotate(-8deg) scale(1.08)}
.cta{background:linear-gradient(135deg,#1d6bff,#22d3ee);color:#fff;border-radius:20px;padding:26px 22px;text-align:center;margin-bottom:34px}
.cta h2{color:#fff;margin:0 0 6px}.cta p{margin:0 0 14px}
.cta a{display:inline-block;background:#fff;color:#0b3a99;font-weight:700;padding:11px 22px;border-radius:12px;margin:0;transition:transform .2s}
.cta a:hover{transform:translateY(-2px) scale(1.04);color:#0b3a99}
footer a{transition:color .2s,transform .2s}footer a:hover{color:#22d3ee;transform:translateX(3px)}
footer a.logo:hover{transform:none}
.fg h4{letter-spacing:.6px;text-transform:uppercase;font-size:.8rem;color:#8fb4ff}
.cp{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}.cp a{display:inline;margin:0}
.tips li{margin:8px 0}.doc h2{margin-top:28px}
@keyframes up{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:scale(.85)}to{opacity:1;transform:none}}
.hero .badge,.hero h1,.hero .sub{animation:up .6s both}.hero h1{animation-delay:.1s}.hero .sub{animation-delay:.2s}
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}.rv.in{opacity:1;transform:none}
.card,.chip,.tabs button,.btn,.dl,.cpb{transition:transform .2s,box-shadow .2s,background .2s,filter .2s,color .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 36px #10182818}
.tabs button:hover,.btn:hover,.dl:hover{transform:translateY(-2px)}.chip:hover{transform:scale(1.06)}.btn:active,.dl:active,.chip:active{transform:scale(.97)}
.tid{animation:up .4s both}
.sc,.sec,.meta{animation:up .45s both}.sc:nth-child(2){animation-delay:.08s}
details[open] p{animation:up .35s}details{transition:box-shadow .2s}details:hover{box-shadow:0 6px 18px #1018280f}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}

/* v7 landing pages */
.steps{padding-left:22px}.steps li{margin:8px 0}
.rl{text-decoration:none;color:inherit;display:block}.rl h3{color:var(--ac)}.rl p{margin:0;color:var(--mut)}
.card h3 a{color:inherit;text-decoration:none}.card h3 a:hover{color:var(--ac)}
@media(min-width:700px){.fg{grid-template-columns:1.5fr 1fr 1fr 1fr 1fr}}
@media(max-width:699px){.fg>div:first-child{grid-column:1/-1}}

/* v8 fixes: header, preview, tracking */
html{scroll-padding-top:84px;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
header{transition:transform .3s,box-shadow .3s}
header.hide{transform:translateY(-100%)}header.open{transform:none}
header.scrolled{box-shadow:0 6px 24px #0006}
.wm{white-space:nowrap}
.qs{width:230px;height:230px;max-width:100%;border-radius:12px;box-shadow:0 4px 20px #1018281f}
.qs.pop{animation:pop .4s cubic-bezier(.2,.9,.3,1.3)}
.ph svg{width:56px;height:56px}
.smp{position:relative;display:inline-block}.smp .qs{display:block}
.tag{position:absolute;top:8px;right:8px;background:#0f172a;color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.5px;padding:3px 9px;border-radius:99px;opacity:.85}
.smpc{font-size:.85rem;color:var(--mut);margin:8px 0 0}
.bc{font-size:.85rem;color:var(--mut);margin-bottom:12px}.bc a{color:var(--mut)}
.trk{padding:22px;background:linear-gradient(180deg,#fff,#f3f8ff)}
.th{display:flex;align-items:center;gap:14px}
.ti{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#1d6bff,#22d3ee);color:#fff;flex:none;box-shadow:0 8px 20px #1d6bff44}
.th h2{margin:6px 0 0;font-size:1.45rem}
.tgrp{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.tgrp input{flex:1 1 190px;width:auto}.tgrp .btn{flex:none}
.empty{display:flex;flex-direction:column;align-items:center;gap:10px;padding:22px 10px;color:#8a97b2;text-align:center;border:2px dashed #d5def0;border-radius:14px;margin-top:16px}
.skel{display:flex;gap:6px;align-items:flex-end;height:46px}.skel i{width:14px;border-radius:4px;background:#d5def0}
#recent{margin-top:10px;align-items:center}

/* v10: desktop header fix, tab links, new tracking look */
.rt{display:flex;align-items:center;justify-content:flex-end}
@media(min-width:760px){.rt nav{display:flex;align-items:center}.rt .menu-b{display:none}}
.tabs a{border:1px solid var(--bd);background:#fff;color:var(--fg);border-radius:10px;padding:8px 13px;font-size:.95rem;line-height:1.5;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s,color .2s}
.tabs a:hover{transform:translateY(-2px);border-color:#9cc3ff;color:var(--ac)}
.tabs a.on{background:linear-gradient(135deg,#1d6bff,#00a3ff);color:#fff;border-color:transparent;box-shadow:0 6px 16px #1d6bff40}
.cpb{text-decoration:none}.vb{background:var(--ac);color:#fff}.vb:hover{background:#0f56d6;color:#fff}
.tid .tidrow{margin-top:2px}

.trks{padding:34px 0}.trkcta{padding:6px 0 34px}
.tk,.tc{position:relative;overflow:hidden;border-radius:24px;color:#e8efff;border:1px solid #1d3a8a;box-shadow:0 20px 50px #0a1a4a40;background:radial-gradient(560px 240px at 92% -40px,#22d3ee55,transparent),radial-gradient(480px 260px at -8% 115%,#1d6bff66,transparent),linear-gradient(160deg,#07122e,#0c2358)}
.tk:before,.tc:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(#ffffff0a 1px,transparent 1px),linear-gradient(90deg,#ffffff0a 1px,transparent 1px);background-size:28px 28px;-webkit-mask-image:linear-gradient(#000,transparent 75%);mask-image:linear-gradient(#000,transparent 75%)}
.tk>*,.tc>*{position:relative}
.tk{padding:28px}
.tk-h{display:flex;gap:16px;align-items:flex-start}
.tk h2,.tc h2{color:#fff;margin:8px 0 4px;font-size:1.55rem;line-height:1.2}
.tk-h p,.tc p{color:#b6c6ee;margin:0}
.tk-pill{display:inline-flex;align-items:center;gap:8px;background:#22d3ee1f;color:#7beaff;border:1px solid #22d3ee55;padding:3px 12px;border-radius:99px;font-weight:700;font-size:.74rem;letter-spacing:.6px;text-transform:uppercase}
.tk-pill i{width:7px;height:7px;border-radius:50%;background:#22d3ee;animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 #22d3ee99}100%{box-shadow:0 0 0 9px #22d3ee00}}
.tk .tgrp{display:flex;flex-wrap:nowrap;gap:8px;margin-top:22px;background:#fff;border-radius:18px;padding:6px;box-shadow:0 10px 30px #00000033}
.tin-w{flex:1 1 auto;min-width:0;display:flex;align-items:center;gap:8px;margin:0;padding-left:12px}
.tin-w svg{flex:none}
.tk .tgrp input{flex:1;min-width:0;width:auto;border:0;background:transparent;padding:12px 4px;outline:0;font-size:1rem}
.tk-b{flex:none;border:0;cursor:pointer;font:inherit;font-weight:700;color:#fff;padding:12px 22px;border-radius:13px;background:linear-gradient(135deg,#1d6bff,#00a3ff);box-shadow:0 6px 16px #1d6bff55;transition:transform .2s,filter .2s}
.tk-b:hover{transform:translateY(-1px);filter:brightness(1.08)}.tk-b:active{transform:scale(.97)}.tk-b:disabled{opacity:.7;cursor:wait}
.tk .tgrp:focus-within{box-shadow:0 0 0 3px #22d3ee88,0 10px 30px #00000033}
.tk #recent{margin-top:14px}
#recent small.mut{color:#9fb3e6}
.tk .chip{background:#ffffff14;color:#dbe7ff;border-color:#ffffff30}.tk .chip:hover{background:#ffffff26}
.tk #stats{background:#fff;color:var(--fg);border-radius:18px;padding:16px;margin-top:16px}
.tk #stats .empty{margin-top:0}
.tc{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;padding:26px 28px}
.tc .ti{width:60px;height:60px}
.tc-t h2{margin-top:10px}
.tc-f{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:14px 0 0}
.tc-f li{background:#ffffff14;border:1px solid #ffffff26;color:#dbe7ff;padding:4px 12px;border-radius:99px;font-size:.85rem}
.tc-f li:before{content:"\2713";color:#22d3ee;margin-right:6px;font-weight:700}
.tc-b{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;text-decoration:none;font-weight:800;color:#0b3a99;padding:10px 10px 10px 22px;border-radius:999px;background:linear-gradient(135deg,#fff,#d6f6ff);box-shadow:0 10px 26px #22d3ee40,inset 0 -2px 0 #22d3ee55;transition:transform .25s,box-shadow .25s}
.tc-b .ar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;color:#fff;background:linear-gradient(135deg,#1d6bff,#22d3ee);transition:transform .25s}
.tc-b:hover{transform:translateY(-2px);box-shadow:0 14px 34px #22d3ee70}.tc-b:hover .ar{transform:translateX(4px)}
.tc-b:active{transform:scale(.98)}.tc-b:focus-visible,.tk-b:focus-visible{outline:3px solid #22d3ee;outline-offset:2px}
@media(max-width:699px){
.tk{padding:20px 16px}.tk h2{font-size:1.3rem}.tk-b{padding:12px 16px}
.tc{grid-template-columns:1fr;padding:22px 18px;gap:14px}.tc .ti{width:52px;height:52px}.tc-b{justify-content:space-between;width:100%}
}
@media(max-width:480px){.tin-w svg{display:none}.tin-w{padding-left:8px}.tk-b{padding:12px 14px}}

/* v11: modern breadcrumb */
.bc{display:inline-flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:2px;margin:0 0 18px;padding:5px;font-size:1rem;background:#ffffffc7;border:1px solid #d3e2ff;border-radius:999px;box-shadow:0 8px 24px #1d6bff1a;max-width:100%}
.bc a{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;color:#1d4fb8;font-weight:600;text-decoration:none;transition:background .2s,transform .2s}
.bc a:hover{background:#e4eeff;transform:translateY(-1px)}
.bc .sep{color:#8fa6d6;flex:none}
.bc .cur{padding:8px 16px;border-radius:999px;font-weight:700;color:#fff;background:linear-gradient(135deg,#1d6bff,#00a3ff);box-shadow:0 6px 16px #1d6bff40}
@media(max-width:480px){.bc{font-size:.95rem}.bc a{padding:7px 11px}.bc .cur{padding:7px 13px}}
.bc{display:flex;width:fit-content;margin:0 auto 18px}

/* v12: tracking toggle, hints, placeholders */
::placeholder{color:#9aa6bf;opacity:1}
.trkopt{margin-top:18px;position:relative}
.trkopt input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.tgl{display:flex;align-items:center;gap:12px;margin:0;padding:12px 14px;border:1.5px solid #cfdcf7;border-radius:16px;background:linear-gradient(135deg,#f6f9ff,#f0f8ff);cursor:pointer;color:var(--fg);font-size:1rem;transition:border-color .25s,background .25s,box-shadow .25s,transform .2s;-webkit-tap-highlight-color:transparent}
.tgl:hover{border-color:#8fb4ff;transform:translateY(-1px);box-shadow:0 6px 18px #1d6bff1a}
.tg-i{flex:none;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#e3edff;color:#1d6bff;transition:background .25s,color .25s,box-shadow .25s}
.tg-t{flex:1;min-width:0;line-height:1.3}.tg-t b{display:block}.tg-t small{display:block;color:var(--mut);font-size:.82rem;margin-top:1px}
.sw{flex:none;position:relative;width:50px;height:30px;border-radius:99px;background:#c3cfe8;transition:background .25s;box-shadow:inset 0 1px 3px #0002}
.sw i{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 2px 6px #0003;transition:transform .28s cubic-bezier(.3,1.4,.5,1)}
#trk:checked+.tgl{border-color:#1d6bff;background:linear-gradient(135deg,#e6f0ff,#dff9ff);box-shadow:0 8px 22px #1d6bff30}
#trk:checked+.tgl .tg-i{background:linear-gradient(135deg,#1d6bff,#22d3ee);color:#fff;box-shadow:0 6px 14px #1d6bff55}
#trk:checked+.tgl .sw{background:linear-gradient(90deg,#1d6bff,#22d3ee)}
#trk:checked+.tgl .sw i{transform:translateX(20px)}
#trk:focus-visible+.tgl{outline:3px solid #9cc3ff;outline-offset:2px}
.tnote{margin:10px 0 0;padding:9px 13px;border-radius:12px;background:#fff7e6;border:1px solid #ffe0a8;color:#8a5200;font-size:.86rem;line-height:1.45}
.tnote:empty{display:none}

/* v14: tabs, links, toast */
.tabs{gap:8px}.tabs a{padding:9px 15px;white-space:nowrap}
.rl h3{color:var(--ac)}
.gtoast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);opacity:0;pointer-events:none;background:#0d1b3f;color:#fff;border-radius:14px;padding:12px 18px;font-weight:600;font-size:.95rem;box-shadow:0 14px 40px #0006;transition:opacity .25s,transform .3s;z-index:60;max-width:calc(100vw - 32px);text-align:center}
.gtoast.show{opacity:1;transform:translate(-50%,0)}


a.dl{text-decoration:none}a.dl:focus-visible{outline:3px solid #1d6bff55;outline-offset:2px}

/* v16: tabs never overflow the card, layout fits every desktop width */
.app{grid-template-columns:minmax(0,1fr)}.app>*{min-width:0}
@media(min-width:820px){.app{grid-template-columns:minmax(0,1fr) 320px}}
.tabs{display:flex;flex-wrap:nowrap;gap:8px;min-width:0;max-width:100%;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:3px 3px 10px;margin:-3px -3px 0}
.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:none;padding:9px 14px}
@media(min-width:900px) and (max-width:1099px){.tabs{gap:6px}.tabs a{padding:9px 12px;font-size:.93rem}}
.tabs.fr{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 34px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 34px),transparent)}
.tabs.fl{-webkit-mask-image:linear-gradient(90deg,transparent,#000 34px);mask-image:linear-gradient(90deg,transparent,#000 34px)}
.tabs.fl.fr{-webkit-mask-image:linear-gradient(90deg,transparent,#000 34px,#000 calc(100% - 34px),transparent);mask-image:linear-gradient(90deg,transparent,#000 34px,#000 calc(100% - 34px),transparent)}
.fg .fh{margin:0 0 6px;color:#8fb4ff;font-weight:700;letter-spacing:.6px;text-transform:uppercase;font-size:.8rem;line-height:1.65}
.pv .smp{max-width:100%}

#recent .clr{background:none;border:0;color:#9fb3e6;font:inherit;font-size:.8rem;padding:6px 8px;border-radius:8px;cursor:pointer;opacity:.7;text-decoration:underline;text-underline-offset:3px;transition:opacity .2s,color .2s}#recent .clr:hover,#recent .clr:focus-visible{opacity:1;color:#fff}

.lwrap{margin:14px 0 4px}.lc{display:inline-flex;align-items:center;gap:6px}.lc.on{outline:2px solid #1d6bff;outline-offset:1px}.lrow{margin-top:8px}.up{cursor:pointer;border-style:dashed}#lmsg{display:block;margin-top:6px;color:#64748b}
.w.gd{max-width:780px}.gd h2{margin-top:30px}.gd p,.gd li{line-height:1.7}a.btn{display:inline-block;text-decoration:none;margin-top:14px}.upd{color:#64748b;font-size:.9rem}

.lfi{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;clip:rect(0 0 0 0)}
.upb{display:flex;align-items:center;gap:12px;margin-top:10px;padding:12px 14px;border:1.5px dashed #1d6bff;border-radius:14px;background:linear-gradient(135deg,#eef4ff,#f6f1ff);color:#1d4ed8;cursor:pointer;transition:transform .15s,box-shadow .15s;position:relative}
.upb:hover{transform:translateY(-1px);box-shadow:0 6px 18px #1d6bff26}.upb:focus-within{outline:2px solid #1d6bff;outline-offset:2px}
.upb svg{flex:none;width:38px;height:38px;padding:9px;border-radius:11px;background:#1d6bff;color:#fff;box-sizing:border-box}
.upb b{display:block;font-size:.95rem}.upb small{display:block;color:#5b6b8c;margin-top:2px}
.lprev{display:flex;align-items:center;gap:10px;margin-top:10px;padding:8px 10px;border:1px solid #e2e8f0;border-radius:12px;background:#fff}
.lprev[hidden]{display:none}.lprev img{width:44px;height:44px;object-fit:contain;border-radius:8px;background:#f1f5f9;flex:none}
.lprev span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.9rem}
.lrm{flex:none;border:1px solid #fecaca;background:#fff1f2;color:#be123c;border-radius:9px;padding:7px 11px;font:inherit;font-size:.85rem;font-weight:600;cursor:pointer}